package com.example.springhelloworld.services;

import com.example.springhelloworld.pojo.Student;


public interface StudentAnnoService {
    //查询用户
   Student queryById(int id);


    Student queryByName(String name);


    //添加学生
    int addUser(Student student);

    //修改学生
    int updateStudent(int id);

    //删除学生
    int deleteStudent(int id);
}
